题型:解答题 3000千克=______吨;60秒=______分;5千米-1000米=______千米;1吨+400千克=______千克;400米+600米=______千米;40毫米=______厘米. 查看答案
题型:选择题 Though difficult, I _____ him find a job, which made him very pleased. [ ]A. tried to help B. managed to help C. tried helping D. succeeded to help 查看答案